[ALSA] PCM resume cleanups
Digigram VX core,CS4231 driver,ATIIXP driver,VIA82xx driver
VIA82xx-modem driver,au88x0 driver,CS46xx driver,Trident driver
This patch disables SNDRV_PCM_INFO_RESUME flag for drivers which does not
support the full resume.
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/atiixp.c b/sound/pci/atiixp.c
index cafab4a..904d173 100644
--- a/sound/pci/atiixp.c
+++ b/sound/pci/atiixp.c
@@ -248,6 +248,7 @@
unsigned int period_bytes, periods;
int opened;
int running;
+ int suspended;
int pcm_open_flag;
int ac97_pcm_type; /* index # of ac97_pcm to access, -1 = not used */
unsigned int saved_curptr;
@@ -699,12 +700,18 @@
spin_lock(&chip->reg_lock);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
dma->ops->enable_transfer(chip, 1);
dma->running = 1;
+ dma->suspended = 0;
break;
case SNDRV_PCM_TRIGGER_STOP:
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
dma->ops->enable_transfer(chip, 0);
dma->running = 0;
+ dma->suspended = cmd == SNDRV_PCM_TRIGGER_SUSPEND;
break;
default:
err = -EINVAL;
@@ -975,6 +982,7 @@
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
+ SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_RESUME |
SNDRV_PCM_INFO_MMAP_VALID),
.formats = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE,
@@ -1443,7 +1451,7 @@
for (i = 0; i < NUM_ATI_PCMDEVS; i++)
if (chip->pcmdevs[i]) {
atiixp_dma_t *dma = &chip->dmas[i];
- if (dma->substream && dma->running) {
+ if (dma->substream && dma->suspended) {
dma->ops->enable_dma(chip, 1);
writel((u32)dma->desc_buf.addr | ATI_REG_LINKPTR_EN,
chip->remap_addr + dma->ops->llp_offset);